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Finding the Fourth Proportional to 29,759.81, 44,639.75 and 7,573.12

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Solution

The fourth proportional to 29,759.81, 44,639.75 and 7,573.12 is: 11,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,759.81 : 44,639.75 = 7,573.12 : x
  2. Step 2: Convert to fraction form
    29,759.81/44,639.75 = 7,573.12/x
  3. Step 3: Cross multiply
    29,759.81x = 44,639.75 × 7,573.12
  4. Step 4: Simplify right side
    29,759.81x = 338,062,090.85
  5. Step 5: Solve for x
    x = 338,062,090.85/29,759.81
  6. Step 6: Final answer
    x = 11,359.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.